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Microprocessor Tap Density Tester
border-bottom: 2px solid #808080
Universal fit
& K factor measuring modes
What sizes are available
ESAW Digital Photo Fluorometer 681 Microprocessor Tap Density TesterESAW Digital Fluorometer 681 Features 3 Digit LED display Covers entire visible range Determines the concentration of Flurophors & Quinine Digital Photo Fluorometer Model 681 is designed for precise analysis of fluorophors such as vitamins, quinine, steroids, fluorescein, metal complexes, etc. The Fluorescence is caused by the absorption of radiant energy and the re emission of some of its energy in the form of light. In fluorescence, the excited